Yr 11/12 ATAR PSYCH Syllabus dot points-Structure and function of the Nervous System

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CNS-Central Nervous System
The CNS is located in the middle of the body and is the central to the way we think feel and act. It receives and process important information from the peripheral nervous system and activates necessary actions, and also transmits important information to the peripheral nervous system. 

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PNS-Peripheral Nervous System
The PNS links the CNS to all parts of the body and receives and transmits information to and from the CNS

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Brain
The largest part of the CNS and is the command and central control for the body.

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Spinal Cord
Receives information from the CNS, Brain and transmit the information from the brain to the body via the PNS

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Autonomic Nervous system
A network of neurons that transmit messages between the brain and the muscles in the heart, lungs, blood vessels and glands via the spinal cord. 

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Somatic Nervous System
Receives sensory information from organs (e.g. eyes, skin, ears, etc) and communicates information via the sensory nerves to the CNS and motor messages from the CNS to skeletal muscles

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Sympathetic Nervous System
Arouses the body to perform, act and react

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Parasympathetic Nervous System
Calms the body down to conserve energy 

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